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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10201) Port 'Make flush decisions per column family' to trunk
Date Mon, 17 Nov 2014 18:44:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14214971#comment-14214971
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Ted Yu commented on HBASE-10201:
--------------------------------

@Duo:
Can you briefly describe the addition in patch v7 w.r.t. per store sequence Id ?
{code}
+  @Test
+  public void testCompareStoreFileCount() throws Exception {
{code}
Mind adding comment describing what the above test verifies ?
{code}
+  public static void main(String[] args) throws Exception {
{code}
Why is main() needed in the unit test ?

> Port 'Make flush decisions per column family' to trunk
> ------------------------------------------------------
>
>                 Key: HBASE-10201
>                 URL: https://issues.apache.org/jira/browse/HBASE-10201
>             Project: HBase
>          Issue Type: Improvement
>          Components: wal
>            Reporter: Ted Yu
>            Assignee: zhangduo
>            Priority: Critical
>             Fix For: 2.0.0, 0.98.9, 0.99.2
>
>         Attachments: 3149-trunk-v1.txt, HBASE-10201-0.98.patch, HBASE-10201-0.98_1.patch,
HBASE-10201-0.98_2.patch, HBASE-10201-0.99.patch, HBASE-10201.patch, HBASE-10201_1.patch,
HBASE-10201_2.patch, HBASE-10201_3.patch, HBASE-10201_4.patch, HBASE-10201_5.patch, HBASE-10201_6.patch,
HBASE-10201_7.patch
>
>
> Currently the flush decision is made using the aggregate size of all column families.
When large and small column families co-exist, this causes many small flushes of the smaller
CF. We need to make per-CF flush decisions.



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